parts of the heart

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Across
  1. 2. top right chamber
  2. 3. top of the long blue tube
  3. 4. bottom right chamber
  4. 7. blue tube that goes out horizontally
  5. 11. top left chamber
  6. 13. door that goes to the left atrium
  7. 15. bottom of the long blue tube
Down
  1. 1. yellow branches throughout the heart walls
  2. 5. bottom of the heart
  3. 6. yellow orb that goes through the atrium
  4. 8. top of the heart with three vales
  5. 9. bottom left chamber
  6. 10. two red tubes that goes out horizontally
  7. 12. door that goes to the right atrium
  8. 14. yellow cord that travels to the walls